Blink Vice President of Planning and Media Eti Suruzon shared the screenshots above and below with AllFacebook, saying that it appeared that website custom audiences were currently only available to advertisers using third-party platforms, or possibly Facebook Preferred Marketing Developers.

Readers Or Fialkov of Fialkov Digital and Amit Levi also alerted AllFacebook to the presence of website custom audiences in Ads Manager.

Ads Manager users: Do you have the ability to create website custom audiences?